Print it with the following settings to get the lace effect:
Top Layers: 0
Bottom Layers: 0
Perimeter: 1
Infill: 20%
Layer Height: 0.2 mm
Extrusion Width: 0.4 mm
And I threw in an assembly diagram. (You guys probably don't need it, but I put it in for beginners.)

http://www.thingiverse.com/thing:788001
(The one I uploaded has a slightly flat bottom, and does not need a stand....I just happened to have one around.)